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Partial Differential Equations
A lower bound for the sum of squares of fundamental functions of a second-order selfadjoint elliptic operator
A. E. Evzhanov Lomonosov Moscow State University
Received: 03.07.1986
Citation:
A. E. Evzhanov, “A lower bound for the sum of squares of fundamental functions of a second-order selfadjoint elliptic operator”, Differ. Uravn., 23:1 (1987), 62–72
Linking options:
https://www.mathnet.ru/eng/de6085 https://www.mathnet.ru/eng/de/v23/i1/p62
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